You should ask BoA if they will allow you to be a resident of another country and keep your account. Some US banks will close your account once they find out you are no longer a US resident.
With that said I use Wise to transfer from my US bank account to my Thai Bank account.
If you are concerned about taxation (you become a Thai Tax Resident after 180 days in country in the calendar year), I recommend looking into the
@LTR **************************